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    <a href="../index.html" class="d-flex align-items-center text-decoration-none">
      <h1 class="mt-5 fs-3">MagickWand, C API: Pixel Iterator Methods</h1>
    </a>
  </header>

  <main class="container">
<h1 class="text-center">Pixel-iterator</h1>
<div class="btn-group">
<button class="btn btn-secondary dropdown-toggle" type="button" id="defaultDropdown" data-bs-toggle="dropdown" data-bs-auto-close="true" aria-expanded="false">
  Select API Method
</button>
<ul class="dropdown-menu pre-scrollable" aria-labelledby="defaultDropdown">
  <li><a href="#ClearPixelIterator">ClearPixelIterator</a></li>
  <li><a href="#ClonePixelIterator">ClonePixelIterator</a></li>
  <li><a href="#DestroyPixelIterator">DestroyPixelIterator</a></li>
  <li><a href="#IsPixelIterator">IsPixelIterator</a></li>
  <li><a href="#NewPixelIterator">NewPixelIterator</a></li>
  <li><a href="#PixelClearIteratorException">PixelClearIteratorException</a></li>
  <li><a href="#NewPixelRegionIterator">NewPixelRegionIterator</a></li>
  <li><a href="#PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a></li>
  <li><a href="#PixelGetIteratorException">PixelGetIteratorException</a></li>
  <li><a href="#PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a></li>
  <li><a href="#PixelGetIteratorRow">PixelGetIteratorRow</a></li>
  <li><a href="#PixelGetNextIteratorRow">PixelGetNextIteratorRow</a></li>
  <li><a href="#PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a></li>
  <li><a href="#PixelResetIterator">PixelResetIterator</a></li>
  <li><a href="#PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a></li>
  <li><a href="#PixelSetIteratorRow">PixelSetIteratorRow</a></li>
  <li><a href="#PixelSetLastIteratorRow">PixelSetLastIteratorRow</a></li>
</ul>
</div>
<br/>
<br/>
<div class="magick-header">
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="ClearPixelIterator">ClearPixelIterator</a></h2>

<p>ClearPixelIterator() clear resources associated with a PixelIterator.</p>

<p>The format of the ClearPixelIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>void ClearPixelIterator(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="ClonePixelIterator">ClonePixelIterator</a></h2>

<p>ClonePixelIterator() makes an exact copy of the specified iterator.</p>

<p>The format of the ClonePixelIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelIterator *ClonePixelIterator(const PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the magick iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="DestroyPixelIterator">DestroyPixelIterator</a></h2>

<p>DestroyPixelIterator() deallocates resources associated with a PixelIterator.</p>

<p>The format of the DestroyPixelIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelIterator *DestroyPixelIterator(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="IsPixelIterator">IsPixelIterator</a></h2>

<p>IsPixelIterator() returns MagickTrue if the iterator is verified as a pixel iterator.</p>

<p>The format of the IsPixelIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType IsPixelIterator(const PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the magick iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="NewPixelIterator">NewPixelIterator</a></h2>

<p>NewPixelIterator() returns a new pixel iterator.</p>

<p>The format of the NewPixelIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelIterator *NewPixelIterator(MagickWand *wand)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>wand</dt>
<dd>the magick wand. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelClearIteratorException">PixelClearIteratorException</a></h2>

<p>PixelClearIteratorException() clear any exceptions associated with the iterator.</p>

<p>The format of the PixelClearIteratorException method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType PixelClearIteratorException(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="NewPixelRegionIterator">NewPixelRegionIterator</a></h2>

<p>NewPixelRegionIterator() returns a new pixel iterator.</p>

<p>The format of the NewPixelRegionIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelIterator *NewPixelRegionIterator(MagickWand *wand,const ssize_t x,
  const ssize_t y,const size_t width,const size_t height)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>wand</dt>
<dd>the magick wand. </dd>

<dd> </dd>
<dt>x,y,columns,rows</dt>
<dd> These values define the perimeter of a region of pixels. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a></h2>

<p>PixelGetCurrentIteratorRow() returns the current row as an array of pixel wands from the pixel iterator.</p>

<p>The format of the PixelGetCurrentIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator,
  size_t *number_wands)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd> </dd>
<dt>number_wands</dt>
<dd>the number of pixel wands. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetIteratorException">PixelGetIteratorException</a></h2>

<p>PixelGetIteratorException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>

<p>The format of the PixelGetIteratorException method is:</p>

<pre class="bg-light text-dark mx-4"><samp>char *PixelGetIteratorException(const PixelIterator *iterator,
  ExceptionType *severity)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd> </dd>
<dt>severity</dt>
<dd>the severity of the error is returned here. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a></h2>

<p>PixelGetIteratorExceptionType() the exception type associated with the iterator.  If no exception has occurred, UndefinedExceptionType is returned.</p>

<p>The format of the PixelGetIteratorExceptionType method is:</p>

<pre class="bg-light text-dark mx-4"><samp>ExceptionType PixelGetIteratorExceptionType(
  const PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetIteratorRow">PixelGetIteratorRow</a></h2>

<p>PixelGetIteratorRow() returns the current pixel iterator row.</p>

<p>The format of the PixelGetIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType PixelGetIteratorRow(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetNextIteratorRow">PixelGetNextIteratorRow</a></h2>

<p>PixelGetNextIteratorRow() returns the next row as an array of pixel wands from the pixel iterator.</p>

<p>The format of the PixelGetNextIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator,
  size_t *number_wands)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd> </dd>
<dt>number_wands</dt>
<dd>the number of pixel wands. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a></h2>

<p>PixelGetPreviousIteratorRow() returns the previous row as an array of pixel wands from the pixel iterator.</p>

<p>The format of the PixelGetPreviousIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator,
  size_t *number_wands)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd> </dd>
<dt>number_wands</dt>
<dd>the number of pixel wands. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelResetIterator">PixelResetIterator</a></h2>

<p>PixelResetIterator() resets the pixel iterator.  Use it in conjunction with PixelGetNextIteratorRow() to iterate over all the pixels in a pixel container.</p>

<p>The format of the PixelResetIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>void PixelResetIterator(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a></h2>

<p>PixelSetFirstIteratorRow() sets the pixel iterator to the first pixel row.</p>

<p>The format of the PixelSetFirstIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>void PixelSetFirstIteratorRow(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the magick iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelSetIteratorRow">PixelSetIteratorRow</a></h2>

<p>PixelSetIteratorRow() set the pixel iterator row.</p>

<p>The format of the PixelSetIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator,
  const ssize_t row)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelSetLastIteratorRow">PixelSetLastIteratorRow</a></h2>

<p>PixelSetLastIteratorRow() sets the pixel iterator to the last pixel row.</p>

<p>The format of the PixelSetLastIteratorRow method is:</p>

<pre class="bg-light text-dark mx-4"><samp>void PixelSetLastIteratorRow(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the magick iterator. </dd>

<dd>  </dd>
</dl>
<h2><a href="../../api/MagickWand/pixel-iterator_8c.html" id="PixelSyncIterator">PixelSyncIterator</a></h2>

<p>PixelSyncIterator() syncs the pixel iterator.</p>

<p>The format of the PixelSyncIterator method is:</p>

<pre class="bg-light text-dark mx-4"><samp>MagickBooleanType PixelSyncIterator(PixelIterator *iterator)
</samp></pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>iterator</dt>
<dd>the pixel iterator. </dd>

<dd>  </dd>
</dl>
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